Amazonite and Alabaster Physical Properties

Amazonite

Alabaster

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.572.30

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Not Available

1.7 Mohs Hardness

6-6.52

2 10

1.8 Chemical Composition

KAlSi₃O₈

CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Amazonite and Alabaster Chemical Formula

While comparing Amazonite and Alabaster physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Amazonite and Alabaster chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

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Amazonite and Alabaster Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 2.30 whereas that of Alabaster is 2.30.